Zhengzhou Haixu Abrasive Co., Ltd. was formally established

July 1999
year 2002

Established Yixing Haiyu Refractories Co., Ltd.

The company passed the ISO9001: 2000 quality management system certification

year 2004
Year 2009

Formed its own foreign trade team and began to expand business in an all-round way

Established Henan Sicheng Grinding Technology Co., Ltd.

year 2010
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